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3105 Aluminum vs. C22600 Bronze

3105 aluminum belongs to the aluminum alloys classification, while C22600 bronze belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is 3105 aluminum and the bottom bar is C22600 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
110
Elongation at Break, % 1.1 to 20
2.5 to 33
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
42
Shear Strength, MPa 77 to 140
220 to 320
Tensile Strength: Ultimate (UTS), MPa 120 to 240
330 to 570
Tensile Strength: Yield (Proof), MPa 46 to 220
270 to 490

Thermal Properties

Latent Heat of Fusion, J/g 400
200
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 660
1040
Melting Onset (Solidus), °C 640
1000
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 170
170
Thermal Expansion, µm/m-K 24
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
40
Electrical Conductivity: Equal Weight (Specific), % IACS 140
42

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
28
Density, g/cm3 2.8
8.7
Embodied Carbon, kg CO2/kg material 8.2
2.6
Embodied Energy, MJ/kg 150
42
Embodied Water, L/kg 1180
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6 to 19
14 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 15 to 340
330 to 1070
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 12 to 24
11 to 18
Strength to Weight: Bending, points 20 to 31
12 to 18
Thermal Diffusivity, mm2/s 68
52
Thermal Shock Resistance, points 5.2 to 11
11 to 19

Alloy Composition

Aluminum (Al), % 96 to 99.5
0
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.3
86 to 89
Iron (Fe), % 0 to 0.7
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0.2 to 0.8
0
Manganese (Mn), % 0.3 to 0.8
0
Silicon (Si), % 0 to 0.6
0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.4
10.7 to 14
Residuals, % 0
0 to 0.2